137 lines
3.3 KiB
ArmAsm
137 lines
3.3 KiB
ArmAsm
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/*!
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* \copy
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* Copyright (c) 2013, Cisco Systems
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifdef HAVE_NEON
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.text
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#include "arm_arch_common_macro.S"
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WELS_ASM_FUNC_BEGIN ExpandPictureLuma_neon
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stmdb sp!, {r4-r8}
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//Save the dst
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mov r7, r0
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mov r8, r3
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add r4, r7, r2
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sub r4, #1
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//For the left and right expand
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_expand_picture_luma_loop2:
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sub r5, r7, #32
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add r6, r4, #1
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vld1.8 {d0[], d1[]}, [r7], r1
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vld1.8 {d2[], d3[]}, [r4], r1
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vst1.8 {q0}, [r5]!
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vst1.8 {q0}, [r5]
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vst1.8 {q1}, [r6]!
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vst1.8 {q1}, [r6]
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subs r8, #1
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bne _expand_picture_luma_loop2
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//for the top and bottom expand
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add r2, #64
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sub r0, #32
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mla r4, r1, r3, r0
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sub r4, r1
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_expand_picture_luma_loop0:
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mov r5, #32
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mls r5, r5, r1, r0
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add r6, r4, r1
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vld1.8 {q0}, [r0]!
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vld1.8 {q1}, [r4]!
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mov r8, #32
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_expand_picture_luma_loop1:
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vst1.8 {q0}, [r5], r1
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vst1.8 {q1}, [r6], r1
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subs r8, #1
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bne _expand_picture_luma_loop1
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subs r2, #16
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bne _expand_picture_luma_loop0
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//vldreq.32 d0, [r0]
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ldmia sp!, {r4-r8}
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WELS_ASM_FUNC_END
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WELS_ASM_FUNC_BEGIN ExpandPictureChroma_neon
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stmdb sp!, {r4-r8}
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//Save the dst
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mov r7, r0
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mov r8, r3
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add r4, r7, r2
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sub r4, #1
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//For the left and right expand
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_expand_picture_chroma_loop2:
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sub r5, r7, #16
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add r6, r4, #1
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vld1.8 {d0[], d1[]}, [r7], r1
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vld1.8 {d2[], d3[]}, [r4], r1
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vst1.8 {q0}, [r5]
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vst1.8 {q1}, [r6]
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subs r8, #1
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bne _expand_picture_chroma_loop2
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//for the top and bottom expand
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add r2, #32
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sub r0, #16
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mla r4, r1, r3, r0
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sub r4, r1
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_expand_picture_chroma_loop0:
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mov r5, #16
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mls r5, r5, r1, r0
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add r6, r4, r1
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vld1.8 {q0}, [r0]!
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vld1.8 {q1}, [r4]!
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mov r8, #16
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_expand_picture_chroma_loop1:
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vst1.8 {q0}, [r5], r1
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vst1.8 {q1}, [r6], r1
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subs r8, #1
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bne _expand_picture_chroma_loop1
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subs r2, #16
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bne _expand_picture_chroma_loop0
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//vldreq.32 d0, [r0]
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ldmia sp!, {r4-r8}
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WELS_ASM_FUNC_END
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#endif
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